<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio color="#c00000" :checked="isFullCheck" /><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amount-box">
			合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<!-- 结算 -->
		<view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
	</view>
</template>

<script>
	import {mapGetters,mapMutations,mapState} from 'vuex'
	export default {
		name:"my-settle",
		data() {
			return {
				//倒计时秒数
				seconds:3,
				timer:null
			};
		},
		computed:{
			...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			isFullCheck(){
				return this.total===this.checkedCount
			}
		},
		methods:{
			...mapMutations('m_cart',['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			changeAllState(){
				this.updateAllGoodsState(!this.isFullCheck)
			},
			//用户点击了结算按钮
			settlement(){
				if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品!')
				
				if(!this.addstr) return uni.$showMsg('请选择收货地址!')
				
				// if(!this.token) return uni.$showMsg('请先登录!')
				if(!this.token) this.delayNavigate()
				this.payOrder()
			},
			payOrder(){
	         //1.创建订单对象
			 const orderInfo={
				 // order_price:this.checkedGoodsAmount,
				 order_price:0.01,
				 consignee_addr:this.addstr,
				 goods:this.cart.filter(x=>x.goods_state).map(x=>({
					 goods_id:x.goods_id,
					 goods_number:x.goods_count,
					 goods_price:x.goods_price
				 }))
			 }
			//创建服务器响应的订单编号
			var orderNumber=''
			var payInfo=''
			 //2.发起请求创建订单
			 uni.request({
			 	url: 'http://54.91.66.26:3000/api/orders/create', // 替换为实际接口地址
			 	method: 'POST',
			 	data: {
			 	  goods_id:orderInfo.goods.goods_id,
			 	  goods_number:orderInfo.goods.goods_count,
			 	  goods_price:orderInfo.goods.goods_count
			 	},
			 	header: {
			 	  'Content-Type': 'application/json' // 设置请求头
			 	},
			 	success: (res) => {
		          	 //3.得到服务器响应的订单编号
					 orderNumber=res.data.message.order_number
					 // console.log(orderNumber);
					 
			 	},
			 	fail: (err) => {
			 		return uni.$showMsg('订单创建失败!')
			 	}
			 })
			 //2.订单预支付
			 //2.1发起请求获取订单支付信息
			 uni.request({
			 	url: 'http://54.91.66.26:3000/api/orders/req_unifiedorder', // 替换为实际接口地址
			 	method: 'POST',
			 	data: {
			 	order_number:orderNumber
			 	},
			 	header: {
			 	  'Content-Type': 'application/json' 
			 	},
			 	success: (res) => {
			      	 //2.3得到订单支付相关必要参数
			 					 payInfo=res.data.message.pay
			 					 console.log(payInfo);
			 	},
			 	fail: (err) => {		//2.2预付订单生成失败
			 		return uni.$showMsg('预付订单生成失败!')
			 	}
			 })
			 	//3.发起微信支付

				//3.1调用uni.requestPayment()发起微信支付
					const {err,succ}=uni.requestPayment(payInfo)
				//3.2未完成支付
				if(err) return uni.$showMsg('订单未支付!')
				//3.3完成了支付，进一步查询支付结果
				uni.request({
					url: 'http://54.91.66.26:3000/api/orders/chkOrder', 
					method: 'POST',
					data: {
					order_number:orderNumber
					},
					header: {
					  'Content-Type': 'application/json' 
					},
					success: (res) => {
				     	//3.5检测到订单支付完成
				     	uni.showToast({
				     		title:'订单支付完成!',
				     		icon:'success'
				     	})
					},
					fail: (err) => {	//3.4检测到订单未支付
						return uni.$showMsg('订单未支付!')
					}
				})
			
				
			},
			//延迟导航到my页面
			delayNavigate(){
				this.seconds=3
			  this.showTips(this.seconds)
				 this.timer=setInterval(()=>{
					  this.seconds--
					  if(this.seconds<=0){
						  clearInterval(this.timer)
						  uni.switchTab({
						  	url:'/pages/my/my',
							success:()=>{
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						  })
						  return 
					  }
					  this.showTips(this.seconds)
				  },1000)
			},
			showTips(n){
				uni.showToast({
					icon:'none',
					title:'请登录后再结算！'+n+'秒后自动跳转到登录页',
					mask:true,
					duration:1500
				})
			}
		}
	}
</script>

<style lang="scss">
.my-settle-container{
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
    height: 50px;
    background-color: white;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 14px;
	padding-left: 5px;
   .radio{
	   display: flex;
	   align-items: center;
   }
   .amount-box{
	   .amount{
		   color: #c00000;
		   font-weight: bold;
	   }
   }
   .btn-settle{
	   background-color: #c00000;
	   height: 50px;
	   color:white;
	   line-height: 50px;
	   padding: 0 10px;
	   min-width: 100px;
	   text-align: center;
   }
}
</style>